Process for improving the properties of bituminous products and an improved cast asphalt
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United States of America Patent
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Dec 30, 1980
Grant Date -
N/A
app pub date -
Oct 4, 1978
filing date -
Oct 5, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for improving the properties of a bitumen which comprises mixing the bitumen with from about 5 to 20% by weight based on the bitumen, of a polyolefin wax at an elevated temperature for a period of time necessary to form a homogeneous mixture. The modified bitumen is particularly useful as a binder in asphalt to be used for casting.
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